Update README.md

Author: typicode

README.md

@@ -14,18 +14,10 @@ Create a `db.json` file
 ```javascript
 {
   "posts": [
-    {
-     "id": 1,
-     "title": "json-server",
-     "author": "typicode"
-    }
+    { "id": 1, "title": "json-server" }
   ],
   "comments": [
-    {
-     "id": 1,
-     "body": "some comment",
-     "postId": 1
-    }
+    { "id": 1, "body": "some comment", "postId": 1 }
   ]
 }
 ```
@@ -39,11 +31,7 @@ $ json-server db.json
 Now if you go to [http://localhost:3000/posts/1](), you'll get
 
 ```javascript
-{
- "id": 1,
- "title": "json-server",
- "author": "typicode"
-}
+{ "id": 1, "title": "json-server" }
 ```
 
 Also, if you make POST, PUT, PATCH or DELETE requests, changes will be automatically saved to `db.json` using [lowdb](https://github.com/typicode/lowdb)